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2,2,6,6-tetramethylpiperidine-1-oxyl

2,2,6,6-Tetramethyl-1-piperinedinyloxy commonly known as TEMPO, is a chemical compound used as a radical marker,as a structural probe, and as a mediator in controlled radical polymerization. This heterocyclic compound is a stable aminoxyl radical, it has applications in chemistry and biochemistry.
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Name TEMPO
Category Pharmaceutical intermediates
Annual capacity 100mTs
Stock information
Mass production, always have stock.
Basic Information
Synonyms 2,2,6,6-Tetramethyl-1-piperidinyloxy;
2,2,6,6-Tetramethylpiperidine 1-Oxyl Free Radical;

2,2,6,6-Tetramethylpiperidinooxy;

tempo,free redical;

2,2,6,6-Tetramethylpiperidine 1-oxide;

2,2,6,6-Tetramethylpiperidin-1-oxyl;

2,2,6,6-Tetramethyl-1-piperidyloxy;

2,2,6,6-Tetramethylpiperidin-1-oxy;

2,2,6,6-Tetramethylpiperidin-1-oxyl;

CAS number 2564-83-2
EINECS  219-888-8
Formula C9H18NO
Structure 2564-83-2
Molecular Weight 156.25
Melting Point 36-38 °C(lit.)
Flashing Point  154 °F
Boiling Point  193°C
Density  1 g/cm3
COA Information
Apperance Red Crystal
Purity min. 99.0%
Moisture max. 1.0%
Ash max. 0.1%
Safety Information
Hazard Codes   C,Xi
WGK Germanys  3
HazardClass 8
RIDADR  UN 3263 8/PG 2
HS Code  29333999
Description
TEMPO(2,2,6,6-Tetramethylpiperidinooxy) is a stable radical prepared through the oxidation of 2,2,6,6-tetramethylpiperidine. TEMPO has a wide range of applications including use as a free radical scavenger, a reagent in organic synthe sis and as a structural probe in electron spin resonance spectroscopy. TEMPO can also be used as a mediator in free radical polymerization.
 In organic chemistry as a radical trap, 2,2,6,6-Tetramethylpiperidinooxy can be used as a catalyst and in polymerization mediation.